The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 2003
Filed:
Aug. 06, 1999
Hiromi Hyuga, Haguri-gun, JP;
Yasunobu Teramoto, Nakashima-gun, JP;
Daiichiro Kawashima, Ichinomiya, JP;
Tatsuya Oba, Nagoya, JP;
Toyoda Gosei Co., Ltd., Aichi-ken, JP;
Abstract
A method for producing a resin-molded article having openings which is free from a weld at a conjunction portion of synthetic resin flows and which exhibits excellent surface appearance and satisfactory strength provides a resin-molded article. This method includes injection-molding synthetic resin by using a mold, wherein the mold has a cavity which as projections for forming openings, projection-side peripheral portions surrounding the projections and a flow-rate changing means for making the flow rate of the injected synthetic resin different at each sides of each projection, and wherein the synthetic resin is injected into the cavity of the mold through a resin-injection opening.